EP2796388A1 - Collapsible container for consolidated load transportation and associated method for collapsing - Google Patents

Collapsible container for consolidated load transportation and associated method for collapsing Download PDF

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Publication number
EP2796388A1
EP2796388A1 EP12860319.8A EP12860319A EP2796388A1 EP 2796388 A1 EP2796388 A1 EP 2796388A1 EP 12860319 A EP12860319 A EP 12860319A EP 2796388 A1 EP2796388 A1 EP 2796388A1
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EP
European Patent Office
Prior art keywords
container
floor
panels
roof
rectangular
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP12860319.8A
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German (de)
English (en)
French (fr)
Inventor
Juan José RIO GONZALEZ
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Inversiones JR SpA
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Inversiones JR SpA
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Publication date
Application filed by Inversiones JR SpA filed Critical Inversiones JR SpA
Publication of EP2796388A1 publication Critical patent/EP2796388A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/52—Large containers collapsible, i.e. with walls hinged together or detachably connected
    • B65D88/522—Large containers collapsible, i.e. with walls hinged together or detachably connected all side walls hingedly connected to each other or to another component of the container
    • B65D88/524—Large containers collapsible, i.e. with walls hinged together or detachably connected all side walls hingedly connected to each other or to another component of the container and one or more side walls being foldable along an additional median line
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/02—Large containers rigid
    • B65D88/12—Large containers rigid specially adapted for transport
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/0006—Coupling devices between containers, e.g. ISO-containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2313/00—Connecting or fastening means

Definitions

  • the present invention relates to the field of containers for the maritime transport of goods according to the commonly used as standards. Specifically, the invention relates to the design of a collapsible model of container that can be rapidly and easily collapsed and/or uncollapsed with the objective to reduce to one-sixth the space of storage and/or transportation of the same when it is empty of cargo while maintaining and even improving the dimensional ISO standards and internal and external morphology commonly used in shipping of goods by sea.
  • the collapsible container described in this invention also meets the minimum requirements of dynamic and static tensile strength, compression and torsion established by the different ISO standards for shipping containers.
  • the present invention also relates to a method of collapsing associated with said collapsible container, vertical stacking thereof and a system for locking or unlocking the collapsing of the container.
  • the background of the prior art have not yet satisfactorily solved the problem of drastic reduction of space on the storage and/or transport of empty shipping containers with the primary aim of gaining efficiency and profitability in both the storage of containers and transporting of the same to the stevedoring areas when they are empty of cargo and doing so in a way as to conform to the ISO standards in regard to structural dimensions, typical normalized position of the elements forming the container, materials with which it is designed and built, strength parameters and other variables.
  • the new regulations tend to support ecology, the reduction and improvement of the carbon footprint and efficiency of the freight transport systems. It is therefore a further aim to develop a system that by using disassembled and/or collapsed containers as a solution to the transport of empty marine containers, make a significant reduction in the carbon footprint for the life of a container simply and directly by decreasing the number of ships needed to transport the same amount of traditional empty containers to their port of destination.
  • a container for sea and/or ground transportation of consolidated goods preferably made of metallic materials, of the type commonly used for this type of transportation and which are standardized by ISO norms, usually denominated with the name of their footage and which, together with their outside width and height, are part of the usual array of containers of the marine container market, wherein the container has such a form of construction in any of the formats and sizes normalized by the ISO standards that, by means of a set of mobile elements joined together as hereinafter will be explained in detail, it can be fully collapsed and thus reduced in its volume when free of internal cargo up to a sixth of its original volume compared with the displayed or assembled position.
  • the collapsible container of this invention has as primary and independent structural elements six basic components which form the faces which limit the inside and outside space of the collapsible container and which, according to the preferred embodiment of this invention, are created and configured by joining one or more metal structural components together by welding, bolts and/or rivets.
  • These basic structural elements that form the six faces of the collapsible container include a bed or floor with a front panel with access doors, a rear panel, a roof, a right side wall and a left side wall.
  • the floor of the collapsible container is formed mainly by: a rectangular outer structural frame or perimeter made up of metal structural profiles; transverse support stringers arranged perpendicular to the larger sides of the rectangle; longitudinal floor boards or panels positioned adjacent to one another on the inner surface of the floor over the transverse support stringers of the floor; and some bottom corner anchorage fittings at each vertex of the outer structural frame, said bottom corner anchorage fittings being of dimensions and shape similar to those commonly used in the ISO containers for maritime use of the market.
  • the rear panel mainly includes: a rectangular outer structural frame made of metal structural profiles; a horizontal crosspiece preferably also made of metal structural profile and located on the midpoint of the vertical members of the outer frame to provide structural strength to the structural frame of the rear panel against vertical loads on the container when assembled or uncollapsed; and corrugated metal sheet filling the space inside the profiles that form the structural frame and the horizontal crosspiece.
  • the front panel consists primarily of: a rectangular outer structural subframe constituted by metal structural profiles; and a pair of doors made of a frame of metal profiles and cover sheets secured to the subframe by a set of cap hinges attached to the side of the subframe.
  • the right and left side walls are identic and face each other in symmetric fashion with respect to a central longitudinal axis of the container.
  • Each side wall consists of three parts: a foldable top side panel, a foldable bottom side panel and, joining both panels by means of hinges, a central pivoting, anti-fold locking and connecting element, which, as explained below, allows the side walls to fold in on themselves.
  • the top and bottom foldable side panels are identical and symmetrical about the central pivoting, anti-fold locking and connecting element and comprise a rectangular outer structural frame consisting of an extreme rail which constitutes one of the longer sides of the rectangular framework, a central rail which constitutes the other longer side of the rectangular frame and which is located adjacent the central pivoting, anti-fold locking and connecting element, vertical pillars on each side, which constitute the shorter sides of the rectangular frame, and corrugated metal sheet filling the interior space generated by the outer structural frame.
  • the roof as a basic structure comprises: a rectangular structural outer frame or perimeter, constituted of outer longitudinal structural profiles or tension members and outer transverse beams; roof transverse support stringers arranged perpendicular to the longer sides of the rectangle; and a top corner anchorage fittings at each vertex of the outer structural frame, wherein said top corner anchorage fittings are also of the same size and shape to those commonly used in ISO containers for marine use in the market.
  • the roof comprises metal sheet secured to said transverse support stringers and covering the inner space defined by the outer structural frame.
  • the collapsible container of the invention provides hinged joints or links that operatively connect the side walls to the floor, the side wall to the roof and the front and rear panels to the floor, so that these elements can pivot relative to each other at the time of collapsing or uncollapsing of the container.
  • the container can be folded in on the vertical of the same in a sequence comprising, first, the folding of the front and rear panels over the floor and then the folding up of the top and bottom side panels with the roof attached towards the inside of the container until the top and bottom foldable side panels and roof reach a horizontal position on top of the front and rear panels and the floor, so that once reduced to its minimum volume, the container maintains its original top and bottom outer structure, further allowing the vertical stacking of multiple collapsed or uncollapsed containers, transferring onto them the same type of stability that they commonly have when vertically stacked.
  • Both the floor and the roof include, secured to the corner anchorage fittings and extending along the longitudinal profiles that respectively comprise the basic rectangle of the floor and roof, respective support structures of the hinged joints with the side walls.
  • said support structure stands above the inside level of the floor, formed and defined by the plane or top face of the longitudinal rails of the floor, up to a height equivalent, at least, to the maximum level of the assembly defined by the folded rear panel and front panel with access doors so as to allow the right and left side walls to end-up on top of the previous folding of the rear panel and front panel with access doors in the collapsing process of the collapsible container.
  • the present invention solves the problem of the mounting the front doors and the pivoting or folding of the front panel of the container, without for this reason having to modify their structural dimensions and typical normalized position thereof, by installing the doors on the foldable subframe.
  • Said subframe is provided in the outer side faces of its structural profile with releasable anchoring means with the side walls that interacting with complementary means in said side walls.
  • said releasable anchoring means comprise hollows in the profiles forming the sides of the structural subframe, which as female elements receive in their interior bolts or pins strategically located as male elements on the side walls, so that when the container is in the uncollapsed or assembled position, they confer anchorage, jointing and rigidity points to the container structure and when collapsed, they release said anchors allowing the consequent folding of the container side walls into the same.
  • An equivalent configuration is provided in the framework of the rear panel to act with said side walls.
  • the invention further provides a mechanical locking or unlocking system of the mobile elements of the collapsible container that allows its collapsing and is characterized by elements of the sliding lock type with movable pins accessible and operable from outside by simple mechanical operations without the need to access into the container and in a readily automatable form without removal of components thereof, thus avoiding the loss of detachable parts thereof and expediting the process of collapsing or uncollapsing the container.
  • the invention provides an upper locking system of said elements so that when the container is in its upright position, it is impossible to collapse.
  • a top latch lock system comprising a sliding plate and anchoring and locking means disposed on the structural profile which forms the subframe of the front panel and the frame of the rear panel and a corresponding mechanism which by way of a horizontal sliding movable latch lock is provided in the inside of the outer transverse beams of the roof to which said front panel subframe and rear panel frame panel align when the container is raised to its uncollapsed position.
  • the anchoring and locking means of the front and rear panels comprise a series of cylindrical bolts located equidistantly which heads have arranged a slot which as a female element is used to achieve such locking with the plate of the sliding movable latch lock.
  • the sliding movable latch lock mechanism is operable from outside of the container and performs the function of locking and unlocking male together with emerging bolts of the front panel subframe and rear panel frame. In the unlocked position, said latch lock enables the release of the bolts and the subsequent pivoting and folding of the panel and in the locking position, the tongue and groove joint mechanism restricting the movement of the bolts and consequently the possible folding of the structural subframe, or frame in the case of the rear panel, giving them their verticality and ensuring the overall structural strength of the container.
  • the mechanical system of locking or unlocking of the mobile elements of the container for the collapsing or uncollapsing of the same also includes a mechanism in the form of a sliding latch lock contained in the central pivoting, anti-fold locking and connecting element of the side panels located along the bisector of the side walls in their mounted position.
  • This sliding latch lock mechanism comprises a slide plate horizontally movable but which has a vertical effect as it consolidates in its locked position both top and bottom structures that form the side wall. This effect is achieved by the introduction of bolts accommodated in a central support plate in the central pivoting, anti-fold locking and connecting element of the side panels which as male pins located along the entire container are introduced into the multiple female hollows facing them and made for that purpose in that sliding latch lock mechanism.
  • a simple displacement of the sliding latch lock mechanism causes the release of the male pins of the foldable side panels and consequently the release of the pivoting of the hinge that will enable the folding in of these towards the interior of the container.
  • the invention proposes an access from the outside through rectangular cuts made in the structures of foldable side panels, manipulating through these cuts from the outside the displacement of the sliding latch lock mechanism form its lock to unlock position and vice versa.
  • the locking system of the doors is conveniently designed so that all elements are located to the interior of the plane level with the outer face or surface of the doors when they are closed.
  • This locking system comprises a locking bar running through internally and vertically on each door and having pawls at the ends and handles fixed to the bar actuatable to open and close the door.
  • the pawls engage in embedded lock bushings disposed in the top profiles of the outer structural subframe front panel and the handle is housed in an interior cavity of the doors.
  • Another aspect of the invention also contains a technical solution for the hermetical sealing or watertightness of the container, preventing leakage of fluid to the inside once uncollapsed and assembled.
  • joints of elastomeric material for sealing have been included positioned longitudinally and strategically on the opposing or jointing faces of the mobile elements and in particular of the structural elements that are joined in the assembled container, so that upon uncollapasing the container said joints are sealed to the outside by the compression of the inside face of a structural element against the outside face of the opposite structural member, the elastomeric seal being pressed between the two and thus closing the intermediate free space which is necessary as tolerance to the turning operation of the hinges.
  • the external and internal dimensional format of the collapsing shipping container exposed herein complies with each and every one of the dimensional standards, handling anchors, corner fittings, door location and opening, interior dimensions, useful volume, and even declared maximum tares for the containers for marine use, and nevertheless due to its special characteristics, a significant improvement has been achieved in the resulting overall interior volume, the latter being superior to the volume currently available in conventional containers, thus providing the possibility of an extra load inside.
  • the invention disclosed herein likewise technically solves the stiffness required for all the structural components so that once uncollapsed the container and ready for use with cargo, it may maintain its stability and mechanical response to vertical compression, torsions and tensile stresses upon common usage and handling.
  • the present invention further proposes the method of collapsing the collapsible container as a technical innovation so as to achieve a one sixth reduction in the final height with respect to the uncollapsed container, maintaining nevertheless the vertical alignment of the plane generated by the roof, the floor and the outer structure of the container and with its top and bottom corner fittings ready to vertically receive stacking loads with total stability of multiple collapsed, uncollapsed or even conventional ISO containers by maintaining the horizontal condition of its top and bottom planes.
  • the vertical stacking of up to six collapsed containers is, as a whole, equal in shape and dimensions as a single uncollapsed container or ISO standard container and perfectly handleable and transportable in a single operation.
  • fastening, anchoring and safety elements have been developed that allow the manipulation and storage of high stacked consolidated groups of the collapsible containers herein described in this invention when in collapsed state.
  • the technique provided in overall in this invention is applicable to all measures and dimensions commonly used in ISO sea containers and which are commonly known by their length, width and height in feet, and are commonly referred to as categories 1AAA, 1AA, 1A, 1AX, 1BBB, 1BB, 1B, 1BX, 1CCC, 1CC, 1C, 1CX, 1D and 1DX.
  • the system of construction and method of collapsing perfectly allow adaptation of said collapsing position of the locks, bolts, panels, doors and rear panel in any one dimension defined by the ISO standard.
  • the collapsible container of the invention essentially consists of six elements preferably made of metal components, a bed or floor (1), a front panel (2) with doors, a rear panel (3), a roof (4), a right side wall (5) and a left side wall (6), which are described in more detail below.
  • the bed or floor element (1) of the collapsible container is, as illustrated in Figures 2 and 3 , basically a structure comprising first a rectangular outer perimeter frame (15) formed by a pair of longitudinal floor rails (7)(7') forming the sides of the rectangle and a pair of outer transverse rectangular metal structural profiles (9)(9') constituting the short sides of the rectangle.
  • said longitudinal floor rails (7)(7') are formed by a U-shaped metal structural profile and are joined by welding to a bottom anchorage corner fitting (8) located on the vertices of the rectangle.
  • the bottom anchorage corner fittings (8) are of dimensions and shape similar to those commonly used in ISO shipping containers used in the market and which are defined according to the ISO 1161 and ISO 668-1995 standards, and they are joined in turn, also by welding, to the outer transverse rectangular metal structural profiles (9)(9').
  • a series of transverse floor support stringers (10) are arranged perpendicular, equidistant to each other and joined by welding to the longitudinal floor rails (7)(7') at a necessary and sufficient distance from each other and in necessary and sufficient quantity, wherein these elements are preferably in the form of C-shaped steel profiles of the type commonly used in the floors of the current containers.
  • the interior floor of the collapsible container contains attached to each other as a rectangular array, longitudinal floor boards (11), preferably of wood. These longitudinal floor boards (11) are positioned longitudinally to the collapsible container's structure and perpendicular to the transverse floor support stringers (10) to which they are consolidated by bolts or union rivets covering the entire inner surface of the container.
  • a support structure is arranged over the longitudinal floor rails (7) (7') and over the bottom anchorage corner fitting (8), which comprises: a first structural element called floor corner pillar (13), formed by a semi-closed rectangular metal profile and disposed at each corner or outer vertex of the floor (1), over the top face of the bottom anchorage corner fittings (8); a second structural element called floor side crossbar (14), formed by a square metal profile joined at its ends to said floor corner pillar (13) element and longitudinally aligned with the longitudinal floor rails (7)(7), the element (14) extending flush with the limits set between the outer faces of the floor corner pillars (13) of both ends of the collapsible container; and, finally, a corrugated or
  • a first part or half of the hinged joint of the floor with the side walls (5) and (6) comprises hollow cylindrical elements or lateral pivot bushings (17) with a projecting fixed flap for attachment to the support structure (13, 14).
  • the lateral pivot bushings (17) are located longitudinally equidistantly spaced from each other, with an intermediate distance between them equal to their length thereof and occupying the entire length of the longitudinal floor rail (7)(7').
  • the height (A) generated from the inside floor level of the container, formed and defined by the plane of the top face of the longitudinal floor boards (11), until the height of the top face of the support structure (13, 14, 19) of the hinged joint of the floor (1) and side walls (5) (6) or, what is the same, the starting height of said pivot or hinged joint of the floor with the side walls is equivalent, at least, to the height defined by the maximum level of the assembly comprised by the rear panel (3) and front panel (2) with access doors and the respective hinged joints with the floor (1) when the panels are folded on the floor (1), as in this way the right and left side walls (5)(6) fold on top of the previous folding of the rear panel (3) and front panel (2) with doors, according to the technique described hereinbelow for collapsing of the container and which can be clearly viewed in Figures 58 to 61 of the fully collapsed container.
  • a hinged joint system of the common type already described is disposed which, in its part or half corresponding to the floor, it is composed of front pivot bushings (21), such as those illustrated in the detail provided by Figure 4 .
  • the front pivot bushings (21) are attached to the top face of the outer transverse rectangular metal structural profiles (9)(9') by a 90 degrees angular metal structural profile (20)(20'), which in turn is attached to the inner face of the outer transverse rectangular structural profiles (9) (9').
  • said angular profile (20)(20') has the same length as the profiles (9)(9') and that its top face is on the same plane as the bottom sides of the longitudinal floor boards (11) so as to also serve as a seat for these at their cantilevered end portion.
  • the front pivot bushings (21) are in the assembled container alternated with corresponding bottom pivot bushings (33) fixed to the rear panel (3) and front panel (2) with access doors, as shown in Figures 7 and 11 , so that when threaded by the pivot axle (22) they form the hinged joint or union that will allow the folding of the rear panel (3) and front panel (2) with access doors onto the floor (1).
  • a rectangular strip of rubber (23) or similar element providing the function of a sealing gasket is arranged on the outer transverse rectangular structural profiles (9)(9'), in their top face, outwardly of the profile and along its entire length.
  • the rear panel (3) of the collapsible container is developed on the basis of an outer metal structural framework (24), preferably made by joining by welding of rectangular metal structural profiles commonly found in the market.
  • the outside dimensions of the outer metal structural framework (24) are calculated to fit snugly in the inner space that, for the purpose of positioning the rear panel (3) in the assembled container, is generated by the elements floor (1), left and right side walls (5) (6) and roof (4) of the collapsible container.
  • a horizontal crosspiece (25), preferably also made of rectangular metal structural profile, is situated at the midpoint of the vertical member of the outer structural frame (24) of the rear panel (3), welded at right angles between the insides of the lateral profiles (26)(26') which form part of the outer structural frame (24).
  • Said horizontal beam (25) has the function of preventing the bending or inward flexing of the lateral profiles (26)(26') of the external metal structural frame (24) of the rear panel (3) when the collapsible container is subjected to vertical loads.
  • cut-outs (27) On the outer edges of the lateral profiles (26)(26') some cut-outs (27) have been made strategically located on the outer face of the rear panel (3), which have a shape adapted to receive a lateral anchor bolt (77) emerging from the side walls (5) (6) (see Figure 20 ) at the moment when the rear panel (3) pivots around its pivotal connection with the floor to reach the vertical position or phase known as unfolded rear panel (3).
  • These cut-outs (27) act then as a female elements and the bolts (77) as a male anchors, assuring with tight engagement with the lateral anchor bolt (77) in said cut-out (27) the lateral joining and consolidation of the rear panel (3) with the side walls (5) (6) .
  • the bottom pivot bushings (33) which together form the other half of the hinged joint of rear panel (3) with the floor (1) are aligned, strategically arranged, in the inside face of the bottom profile (32) of the rear panel (3).
  • the combination of the bottom pivot bushings (33) of the rear panel (3) with the line of front pivot bushings (21) located on the floor (1) and the pivot axis (22) that threads them make up the hinged joint which allows the rotation and consequent folding of the rear panel (3) over the floor (1) and, conversely, allows the rear panel (3) to pass from the horizontal or folded plane to the vertical or unfolded plane by turning 90 degrees around the defined hinge.
  • FIG. 7 and 8 over the top profile (35) of the rear panel (3), emerging from its top outer face and strategically placed, there are an aligned series of cylindrical bolts (36) which do the work of locking the rear panel (3) with the roof (4) once the rear panel reaches the vertical position in the phase of uncollapsing of the collapsible container and it is engaged with the roof.
  • the cylindrical bolts (36) have a configuration adapted to be received in recesses or cuts (139) made in the outer transverse beams (119) of the roof (4) and to act as female element of a latch and anti-fold lock mechanism (129, 134, 137, 140) of the roof (4) to the rear panel (3), as illustrated in Figures 38 , 39 , 40 and 41 .
  • the cylindrical bolts (36) have a configuration consisting of a central body (37) of length equal to the thickness of the top profile (35) used in the making of the outer metal structural framework (24) of the rear panel (3) of the container, a neck (38) of diameter less than the body and a head (39) of diameter equal to or greater than the central body (37).
  • the neck (38) and head (39) structure of the cylindrical bolts (36) emerge from the outer face of the top profile (35) while the central body (37) is left imbedded and joined by welding in holes (41) made to this effect in the top profile (35).
  • a groove (40) has been diametrically made in the head (39) of the cylindrical bolt (36) with a sufficient width and depth that it may easily receive, in female element mode, the sliding plate (129) of the latch and anti-fold locking mechanism which, in male element mode, performs the function of locking and unlocking of the roof (4) and the rear panel (3).
  • the grooves (40) made in the head (39) of the cylindrical bolts (36) are arranged aligned with the longitudinal axis of the top profile (35).
  • Figures 9 and 10 show a clear detail of the alignment and positioning of the cylindrical bolts (36) in the top profile (35).
  • FIGS 14 and 11 the preferred embodiment of the front panel (2) with doors can be appreciated.
  • Said panel (2) as well as the rear panel (3) is developed on the basis of an outer metal structural subframe (42) made by the weld joining of rectangular metal structural profiles (46)(47)(47')(48) of those which are commonly found on the market.
  • the external dimensions of the outer metal structural subframe (42) are calculated to fit perfectly into the interior space that, for the purpose of situating the front panel (2) with doors in the assembled container, generate the floor (1), right and left side walls (5) (6) and roof (4) elements of the collapsible container.
  • the doors (43) (44) are joined to the outer metal structural subframe (42) by a set of cap hinges (45) of triple action or three phases (see detail in Figure 15 ) installed on the outside of the sides of the outer metal structural subframe (42) and developed for the purpose of achieving the full opening with a turn of 270 degree of the doors (43)(44) of the collapsible container.
  • the cap hinges (45) of three phases are situated at variable and required amount to ensure the proper opening and rigidity of the doors (43) (44).
  • the outer metal structural subframe (42) of the front panel (2) has a top profile (46), two lateral profiles (47)(47') and a bottom profile (48) containing the different elements and machinings that allow the movement and actuation of the doors (43) (44) with respect to the outer metal structural subframe (42) and of the latter with respect to the rest of the array of elements of the collapsible container.
  • the doors (43) (44) of the collapsible container herein described fit perfectly into the inner space generated by the outer metal structural subframe (42) of the front panel (2) and are made on the basis of a metal structural frame (49) and external (53) and internal (55) panels riveted or bolted to the metal frame, occupying the entire space interior to the subframe, as shown in Figure 13 where the front panels of the right door (44) have been removed to have an inner view of the same.
  • the locking system of the doors is made up of a vertical locking axle bar (50) with locking pawls (not shown) at their ends, wherein the bar internally traverses holes which are aligned to the metal structural frame (49) which forms the inside of the doors (43) (44), the system integrated into the interior of the doors so that said locking elements are all placed to the inside of the outer plane or face of the door (43)(44), without protruding outwardly from the same.
  • the vertical locking axle bar (50) integrates, in its single point of access to the outside, an opening and closing handle (51) fixed to the vertical locking axle bar (50), the handle being arranged in an inner rectangular cavity (52) of the doors (43)(44).
  • This opening and closing handle (51) can act as a lever, rotating the vertical locking axle bar (50) around its axis and consequently the locking pawls into lock bushings (54) embedded in the top (46) and bottom (48) profiles of the subframe (42), each bushing with a pawl locking axle, thus allowing to perform the closing and opening of the doors.
  • the opening and closing handle (51) is in the closed position of the doors (43) (44), it is received in the inner rectangular cavity (52) of the doors (43)(44).
  • both doors (43) (44) have externally, integral and attached by welding rectangular flat plates (57) which act as protective cover for the lock bushings (54) when the doors (43) (44) are in their closed position so that the internal mechanism of the lock bushings (54) is sealed, preventing the entry of foreign elements in its interior.
  • the right door (44) of the collapsible container has central retaining flaps (58) welded to the left lateral rail of the metal structural frame (49), so that when performing the final phase of closure of both doors (43) (44), left door (43) of the container is necessarily closed before the right door (44).
  • the outer contour of the doors (43) (44) of the collapsible container has throughout its perimeter half-pipe shaped rubber joints (59) as the ones usually used in conventional doors of the containers that exist in the market. As shown in Figure 14 , said perimeter seal (59) is in contact with the entire inner perimeter of the outer metal structural subframe (42) of the doors, thus performing the function of hermetical closure when the doors are in their closed position.
  • the front panel (2) with access doors has the same joining, locking and pivoting technical means mounted on the inside of the bottom profile (48), over the top profile (46) and on the lateral profiles (47)(47') of the outer metal structural subframe (42) of the doors (43) (44) as in the rear panel (3) explained above, so the details are herein omitted because these means (27, 33, 36, 60) are identical in shape, arrangement and number to those used in the outer structural frame (24) of the rear panel (3).
  • the side walls (5) (6) of the collapsible container are compound elements, defined by three different parts which are each in turn structurally consolidated and composed of multiple elements joined together by different methods and techniques which finally make up a single assemblable unit. These three parts that form the side walls (5) (6) assembly are joined together by hinges, giving the final assembly of the unfolded side walls (5) (6) the ability to fold up on itself in a controlled way and direction.
  • Figures 16 and 18 and the partial detail views of Figures 17 and 19 respectively show from the outside and the inside of the container the three separate parts forming the side wall (6) and which are defined as a top foldable side panel (69), a bottom foldable side panel (70) and a central joining, anti-fold locking and pivoting element (71) of the side panels, which are described in detail below:
  • top foldable side panel (69) has a substantially rectangular structure consisting of an outer structural frame (28) consisting of an extreme rail (72), a central rail (73) and a pair of outer vertical pillars (75)(75') on each side.
  • the extreme rail (72) is basically a metal structural profile, essentially square but with a deformation in its inner side such that it defines a seat for the metal pivot bushings (81) which constitute a portion or half of the hinged joint of the extreme rail (72) with the roof (4).
  • Said metal pivot bushings (81) are emplaced longitudinally aligned and equally spaced with an intermediate distance between them equal to their length thereof, occupying the entire length of the extreme rail (72).
  • the central rail (73) is constituted by 90 degree angular metal profiles welded together forming an element of substantially square section in which are installed a portion or half of the hinged or pivoting connection of the top foldable side panel (69) with the central pivoting, anti-fold locking and connecting element (71) of the folding panels consisting of pivot bushings (74) welded and aligned equidistantly along the entire length of the central rail (73).
  • These anti-fold lateral bolts (82) constitute the components of the foldable side panels (69)(70) intended to prevent or allow the folding of the side walls (5)(6) when they are respectively inserted or released from the retention slots (106)(106') made in the sliding latch lock mechanism (93) located in the central pivoting, anti-fold lock and connecting element of the side panels (71), as illustrated in Figures 22 and 24 of the side wall (6) in its assembled state, seen from inside of the container, and in the details of Figures 23 , 25 and 26 , where said sliding latch lock (93) is respectively shown in a released and locking position of the foldable side panels (69)(70).
  • Said circular bores (104) (104') are accessible from the outside of the side walls (5)(6) through the window generated by the rectangular through-cut (86) made on the central rail (73) with the main purpose of manipulating the slide latch lock mechanism (93) from outside the container during the maneuvers for locking or unlocking the folding of the side walls (5) (6) of the container without having to first access the inside, as said bores (104)(104') function as a handle for moving the sliding latch lock mechanism (93). Additionally, by means of the rectangular through cut (86) is provided a simple and concrete access to an external automatic robotized mechanism, free of human manipulation, for performing the phases of collapsing or uncollapsing the container by an external automatism that connects to said bore (104)(104').
  • the outer vertical pillars of the container (75)(75'), as shown for better understanding from various details of the perspective in Figure 20 , are constituted by semi-closed metal structural members with a perimeter shape designed for the purpose of conferring thereof a high resistance to vertical compression which occurs when the uncollapsed and set up container is to be manipulated with cargo inside or receives above it the stacking of one or more similar containers.
  • Lateral anchor bolts (77) emerge from the inside face of the outer vertical pillars (75)(75'), strategically placed maintaining between each other the distances resulting from multiple cuts (27) made in the side profiles (26)(26')(47) (47') of the rear panel (3) and front panel (2) with access doors.
  • the lateral anchor bolts (77) are basically metallic of cylindrical shape similar to those existing in the central rail (73).
  • lateral anchor bolts (77) The purpose of these lateral anchor bolts (77) is to secure the rear panel (3) and the front panel (2) with doors to the side walls (5)(6) when these are raised to their vertical position (operation which is also denominated uncollapsing or assembly of the container), the head (80) of said lateral anchor bolts (77) penetrating through the multiple cuts (27) provided in the lateral profiles (26) (26') (47) (47') of the rear panel (3) and front panel (2) with access doors.
  • the inner space generated by the structural framework (28) of the top foldable side panel (69), is filled with corrugated metal sheet (87) joined by welding all around and with the direction of its pleats placed vertically or parallel to the outer vertical pillars (75)(75'), giving the top foldable side panel (69) a hermetical characteristic and further providing extra strength to the assembly against vertical compression and tensile loads.
  • the central pivoting, anti-fold and connecting element of the side panels (71) is intended to pivotally join, by means of two hinges (74)(74')(90)(115)(115'), the top foldable side panel (69) and the bottom foldable side panel (70).
  • the central pivoting, anti-fold lock and connecting element (71) of the side panels comprises a central support plate (91), preferably made of steel, of rectangular geometry and of a length equal to the length of the end (72) and central (73) rails which for part of the foldable side panels (69)(70).
  • the hinges are formed by pivot bushings (90) arranged longitudinally adjoined one above the other forming pairs on one of the faces or sides of the plate (91) and, with respect to each foldable side panel (69) (70), by respective pivot bushings (74)(74') arranged in alternated fashion with the respective top and bottom bushings of each pair of pivot bushings (90) of the plate (91), the arrangement being threaded by horizontal pivot axles (115)(115').
  • the pivot bushings (90) in the central support plate (91) are placed equidistantly and with length equal to the distance of separation between them, sufficient in number to cover the entire length of the central support plate (91) number.
  • central pivoting, anti-fold and connecting element (71) of the side panels has therein a sliding latch lock type mechanical mechanism (93) which allows or denies the folding of the top and bottom side panels (69)(70).
  • the sliding latch lock mechanism (93) contained in the central pivoting, anti-fold and connecting element (71) of the foldable panels is fixed by contact to the central support plate (91) and with a longitudinal movement of the movable parts it acts in a perpendicular direction to said movement to lock or release the pivoting of the top and bottom foldable side panels (69)(70).
  • the sliding guidance bolts (92) are inserted into through-slots made along the central axis (E1) of the sliding latch lock mechanism (93), hereinafter named bolt guides (103) so, as can be seen in Figures 29 and 30 , and more clearly in the cross-section view of Figure 31 depicting a metal profile segment of the central pivoting, anti-fold lock and connecting element (71) of the folding panels, the sliding latch lock (93) is arranged with its inner face (112) in contact with the inner side of the central support plate (91), allowing the longitudinal sliding with limited stroke of the sliding latch mechanism (93) through the bolt guides (103).
  • the sliding guidance bolts (92) and the bolt guides (103) are shaped to complement each other, which according to the preferred embodiment of the invention herein detailed respectively are of semicircular cylindrical shape and elongated semicircular shape in the ends.
  • the bolt guides (103) have a distance between their primary centers equal to the distance set between the through-holes (97) performed on the central support plate (91) from which emerge the sliding guidance bolts (92).
  • cylindrical lateral anchor bolts (98) also emerge from the support plate (91), which are strategically located in vertically aligned manner with lateral anchor bolts (77) contained in the top and bottom foldable side panels (69)(70) in the assembled container.
  • the function of these cylindrical lateral anchor bolts (98) is identical to that of the previously explained lateral anchor bolts (77) of the folding panels, complementing the securing of the rear panel (3) and the front panel (2) with doors of the container to the side walls (5) (6) when these are raised to their vertical position.
  • the two circular through-bores (104)(104') are disposed at one end of the sliding latch lock mechanism (93), these bores, as previously described, are used as an access point from the outside the container through the rectangular through-cut (86) made in the top and bottom foldable side panels (69) (70) of the side walls (5) (6) for the maneuver of sliding the sliding latch lock mechanism (93).
  • retaining grooves (106) are provided in pairs and longitudinally in the sliding latch lock mechanism (93), the anti-fold lateral bolts (82) being retained or released by the particular geometry obtained when machining of the retaining grooves (106).
  • Such retention slots (106) have at one end of their travel stroke a space of a diameter which is smaller and adjusted to the diameter of the head of the anti-fold lateral bolts (82), allowing to block the extraction of these and therefore the folding of the foldable side panels (69)(70) and, at the opposite end of their travel stroke, the retention slots (106) have an area with a diameter greater than the diameter of the head of the anti-fold lateral bolts (82), creating a zone of release thereof, which allows their extraction and subsequent folding of foldable side panels (69)(70).
  • the retention slots (106) are strategically located so as to be coincident with the position of the anti-fold lateral bolts (82) located along the inner sides of the central rail (73)(73') of the respective top and bottom foldable side panel (69)(70) of the side walls (5)(6).
  • the function of the locking and release of the assembly formed by the anti-fold lateral bolts (82) and the machining of the retention slot (106) can clearly be seen in Figures 25 and 27 .
  • a rectangular cut (105) is made at the same end of the sliding latch lock mechanism (93) where the circular bores (104)(104') have been made, to solve a contact problem of the sliding latch mechanism (93) with the lateral cylindrical anchor bolt (98).
  • the element called roof (4) of the container is formed by a set of metal parts joined together by welding, bolts or movable elements secured to one another, which in the end provide it with a unique and consolidated structure.
  • the roof (4) consists mainly of a rectangular structural frame or perimeter (16) of width and length limits equal to the limits defined by floor (1) of the container, with these measures adapted to the ISO standards for shipping containers, some internal transverse members (121) to give greater rigidity to the structural frame (16) and, finally, panels (122) in the form of metal sheet which, as shown in Figure 1 , cover the entire inner surface of the rectangle that forms the structural framework.
  • FIG 33 and its various views in detail a preferred embodiment of the roof (4) of the container is shown without cover panels or sheets (122) for a better visualization of its structure and internal elements.
  • the rectangular structural frame or perimeter of the roof (16) is, on its vertices, defined by the top corner anchorage fittings (116), of a size and shape similar to those commonly used in ISO containers for maritime use (ISO 1161 and ISO 668-1995); on the long sides of the rectangle, defined by square metal profiles denominated roof outer longitudinal profiles (117)(117'), which are aligned slightly below the plane or level that forms the top face (118) of the top corner anchorage fittings (116); and on the short sides of the rectangle defined by respective beams, preferably made with C-shaped metal profile, denominated outer front (119) and rear (119') transverse beams with the interior of the C shape facing the inside of the perimeter which forms the rectangular shape of the roof (4).
  • transverse structural roof stringers (121) are provided equally spaced, in sufficient quantity and transversely to the inner faces of the outer longitudinal profiles (117)(117') of the roof to give greater structural strength to the perimeter assembly (16), the cover panels or sheet (122) being supported and attached by bolts on them and located over said transverse structural roof stringers (121) (121).
  • some square metal structural profiles (126)(126') are welded to the underside of the top corner anchorage fittings (116) and are externally and longitudinally aligned below the outer longitudinal profiles of the roof (117)(117') which form the basic roof rectangle (4).
  • These square metal structural profiles (126)(126') have machinings (not shown) on its surface to provide support for the hinged joint of the roof (4) with the side panels (5, 6) so as to fit and join by welding the bodies of the pivot bushings (124) of the other part or half of the pivoting or hinged jointing of the side walls (5) (6) to the roof (4).
  • pivot bushings (124) are identical to those previously used (74)(74') to make the bushings of the hinges of the top and bottom foldable side panels (69) (70) with the central pivoting, anti-fold locking and connecting element (71) of the foldable panels.
  • the pivot bushings (124) are alternately disposed in line with corresponding metal pivot bushings (81) of the top foldable side panel (69) of each side of the container and aligned and threaded through an axle (125)(125') of equal diameter to the internal diameter of said pivot bushings.
  • a thin metal sheet (127)(127') preferably made with a slight fold outwards with an S shape and similar to a slight inflection carried along the same, that functions as a closure gasket or seal to the outside.
  • This roof side closure sheet (127)(127') performs its function when, once assembled the entire container and unfolded the side walls (5) (6), contact is established throughout the length of the inner protruding face of this element (127)(127') with the outer face of the extreme rail (72) of the top foldable side panels (69), thus closing the space generated by the tolerances of the hinged joint or distance between the position of said extreme rail (72) and the square metal structural profile (126)(126').
  • the space between the outer longitudinal profiles of the roof (117)(117') and the square metal structural profile (126)(126') is filled throughout its length with corrugated metal sheet (128)(128') welded at its peripheral contour, so that the direction of the coorugated pleats of the metal sheet are perpendicular to the faces of the profiles (117) (126) (117') (126') to which it joins, giving both groups of profiles (117)(126)(117')(126') an extra deformation or bending resistance of the same.
  • the corrugated sheet (128)(128') closes access from the outside to the contents of the container through said space it seals.
  • the latch and anti-fold lock mechanism of the roof (4) is characterized by having a sliding plate (129) which has some machinings or strategically placed cuts at its bottom edge, so that it allows the passage therethrough of the heads (39) of the cylindrical bolts (36) installed on top structural members (46) (35) of the front panel (2) with doors and rear panel (3).
  • the sliding plate (129) is fixed to the inside of the outer transverse beam (119)(119') by tightening bolts (140) and spaced from said outer cross beam (119) (119') by means of cylindrical spacers (134) in which the tightening bolts (140) are housed with a maximum thread depth sufficient to support the sliding plate (129) but without retain it or locking it.
  • the through joint of the tightening bolts (140) with the sliding plate (129) has rectangular shaped machined slots longitudinally aligned with the sliding plate (129) in order to allow movement of the sliding plate (129) while limiting it at the distance allowed by the length of said slots.
  • rectangular longitudinal cuts (138) 138) are provided on the outer face thereof, through which the handling pins (137)(137') emerge, these pins being cylindrical parts that project from the plane of the outer transverse beams (119)(119') and are integral with the sliding plate (129).
  • the perfect alignment of the sliding plate (129) with grooves (40) of the cylindrical bolts (36) is achieved thanks to the combination of the height of the spacers (134) with the receiving slots (139) made in the outer transverse beams (119)(119') for the necks (41) of the cylindrical bolts (36), further being the thickness of the sliding plate (129) the same as the hollow made in the machining of the grooves (40) of the cylindrical bolts (36) for receiving with sufficient clearance the sliding plate (129) therethrough.
  • FIG 42 a fully assembled collapsible container is shown in its uncollapsed position, with the doors of the front panel (2) closed and with both the latch and anti-fold locking mechanism of the roof (4) with the rear (3) and front (2) panels and the slide lock mechanism (93) of the central pivoting, anti-fold locking and connecting element (71) of the side walls (5) (6) in the locked position, as is clearly shown in Figures 43, 44 and 45 , where a cover panel or sheet (122) has been omitted from the roof (4) in order to clearly observe the rear panel (3) and the maneuvers performed on it.
  • said latch and anti-fold locking mechanism located within the beams (119) of the roof, keeps the sliding plate (129) laterally displaced in its locking position which as a male element is inserted into the grooves (40) made as a female element in the heads (39) of the cylindrical bolts (36) of the top profiles of the rear panel (3) and front panel (2) with doors. Further, the cuts or recesses (139) made on the outer front transverse beam (119) are facing the position of the cylindrical bolts (36), such that through them, the necks (38) of the cylindrical bolts (36) are locked in the outer transverse beam (119).
  • the latch and anti-fold locking mechanism of the roof with the front panel (2) and rear panel (3) is unlocked, by displacing to the opposite side (of its blocking position), the handling pins (137) (137') of the latch lock located on the outside of the outer transverse beams (119) (119'), both of the front panel (2) and the rear panel (3).
  • the internal mechanism of the outer transverse beams (119) (119') located on the roof (4) and over the rear panel (3) and front panel (2) displaces the slide plate (129) from its inserted position in the heads (39) of the cylindrical bolts (36) and thus releases the rear (3) and front (2) panels from their anchorage in the outer transverse beams (119)(119') of the roof (4), allowing their pivoting and subsequent folding.
  • the lateral anchor bolts (77) (77') (98) are located vertically aligned on the inner face of the outer vertical pillars (75)(75') of the side walls (5) (6) and with their heads (80) fitted and locked in the interior of the lateral profiles (26)(26')(47)(47') of the respective frame and subframe of the rear (3) and front (2) panels, through the cuts (27) such that, as male and female elements, they block and secure the joining of the rear (3) and front (2) panels with the side walls (5) (6).
  • the sliding latch mechanism located on the side walls (5) (6) is released in order to allow the folding of these walls (5)(6).
  • actuation is effected from the outside by means of accessing the circular bores (104) (104') arranged for this operation and located on the sliding latch mechanism (93), accessible from the outside through the rectangular through-cuts (86)(86') made on the exterior of the side walls (5)(6).
  • said circular bores (104)(104') travel longitudinally along their rectangular accessibility through-cut (86)(86') and therefore the sliding latch lock mechanism (93) moves integrally therewith.
  • the multiple lateral anti-fold bolts (82)(82') are then simultaneously released from their multiple retaining machinings (106)(106'), thereby allowing rotation of the two hinges contained in the central pivoting, anti-fold blocking and connecting element (71) of the folding panels.
  • the functionality of this mechanism can be observed in detail in Figures 25, 26 , 27 and 28 , both for the locking and unlocking phases of the sliding latch.
  • the side walls (5) (6) lose their verticality, as they have the natural tendency to fold towards the inside of the container and to come together by rotating around the pivoting axis of the hinged joints of said side walls (5) (6) with the floor (1) and roof (4), like bellows that compress. For this reason it is essential an element as a crane that may perform a steady but controlled descent of the roof (4) maintaining its parallelism with the floor (1) while the hinges close in controllably without receiving impacts that may harm its structure and good functioning.
  • the collapsing process ends naturally when by contact, the rotation of the hinges contained in the side walls (5) (6) reaches its end of travel. This occurs when the outer faces of the top and bottom foldable side panels (69)(70) of the side walls (5)(6) come into contact in all the plane that defines them, the inside of said top foldable side panel (69) ending up facing in a parallel manner the inner face to the roof (4) and the inside face of the bottom foldable side panel (70) facing in a parallel manner the inner face to the floor (1).
  • the collapsible container has reduced its volume to approximately one-sixth of its original volume when assembled or uncollapsed, while maintaining a consolidated structure, wherein no parts or elements have been removed to achieve the effect of collapsing and its compact structure has been secured always from the outside and with simple manipulations, easily automated.
  • the peripheral structure of the top and bottom faces of the container once collapsed, respectively formed by the roof (4) and the floor (1) have the same elements and structural plane as the uncollapsed or assembled container, so that their vertical stacking in a collapsed condition, and stacking alignment of the same, is performed identically to that of a uncollapsed or assembled container or a conventional ISO container for marine use common in the marketplace.
  • the collapsible containers of the invention can also be stacked and when they are in uncollapsed or assembled state, in identical manner as that of the conventional ISO containers of the market and the containers are disposed vertically one on top of the other supported on said corner anchorage fittings.
  • the invention provides elements called consolidation towers (141) adapted to be inserted into each opening or natural orifice of the top outer face of each top corner fitting (116) of a collapsible container, as shown in Figures 65 and 66 .
  • the consolidation towers (141) perform the work, like pins, of vertical binding of collapsed containers so that once inserted in the top corner anchorage fittings (116) they emerge vertically from the top corner anchorage fittings (116), above the plane of the top face thereof, for anchoring a container which is vertically stacked immediately above. In this way, as the bottom anchorage fittings (8) of said collapsed container stacked above rest, the outward projections of the towers (141) fit into the holes provided on the underside of the bottom corner anchorage fittings (8) of said collapsed container stacked above.
  • the total volume of the assembly is similar to a single uncollapsed or assembled container, or to a conventional ISO container, thereby reducing the amount of transportation operations, improving the carbon footprint and optimizing storage space to a sixth of what is today normally practicable.
  • FIGS. 68 and 69 some additional consolidation and security elements are provided to the vertical stacking of containers.
  • these are mono-container vertical securing plates (142) onto which barbs or hooks are attached to its ends and on one side thereof, which serve, as can be appreciated, to insert into the openings which externally the bottom (8) and top corner anchorage fittings (116) have on their lateral faces.
  • the hooks are engaged in said openings so that the length of said plate and the position of the barbs coincide with the distance of the opposite diagonal between the centers of the external openings of the opposite bottom (8) and top (116) corner anchorage fittings when a container is fully collapsed.
  • the vertically collapsed container is consolidated, being possible to handle and lift it from its roof (4) with a crane, without it having the natural tendency to uncollapse as a contrary operation to the collapsing.
  • other devices (141) in the manner of horizontal fixation pins, or consolidation towers (141), can be used together with said mono-container vertical securing plates (142) for more safety in the transport of collapsed containers, to prevent horizontal slippage of collapsed containers stacked one on top of the other, while the mono-container vertical securing plates (142) diagonally bracing and placed in the form of blades, provide vertical reinforcement to each collapsed container structure independently. This allows to disassemble the assembly, starting by lifting the immediately top container and in this way proceeding until the last one, without the risk that they will uncollapse when performing this operation.
  • a set of multi-container vertical securing plates (144) are provided identical in composition to those described above but adapted in its total length to vertically brace a pack formed by a predetermined number of containers vertically stacked one on top of other.
  • the resulting set of stacked containers are braced with said multi-container vertical securing plates (144) by means of the hooks or barbs of their ends, inserting one of them in the opening of the outer face of the top corner anchor fitting (116) of the last or top container of the stack, and engaging the other end the hook through the opening of the outer face of the opposite bottom corner anchor fitting (8) of the first collapsed container of the stack.
  • multi-container vertical securing plates (144) are made in various lengths depending on the number of collapsed containers which the pack will have, said lengths being the resultant of the distances of the outer diagonals. The smaller the number of stacked containers, the smaller the distance between its opposite corner fittings and the highest number, the greater the distance.
  • the collapsible container described in this invention may include on its U profile that acts as the longitudinal tension member (7) of the floor, as needed and depending on the application, a pair of rectangular through-slots (143) on each of its larger opposite faces and aligned with each other in the rectangular outer structural frame (28) of the foldable side panels (69, 70).
  • These rectangular through-slots (143) serve as a window for the introduction of elements for lifting the container from its base, or as an anchor point for an external lifting crane.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Pallets (AREA)
EP12860319.8A 2011-12-21 2012-12-21 Collapsible container for consolidated load transportation and associated method for collapsing Withdrawn EP2796388A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CL2011003232A CL2011003232A1 (es) 2011-12-21 2011-12-21 Contenedor plegable que comprende un piso, un panel frontal con puertas de acceso, un panel trasero, un techo, paredes laterales derecha e izquierda, juntas o uniones abisagradas, medios de anclaje laterales, medios para bloquear el abatimiento de los paneles y medios para bloquear o desbloquear el plegado; metodo; uso; sistema.
PCT/CL2012/000075 WO2013091126A1 (es) 2011-12-21 2012-12-21 Contenedor plegable para el transporte de carga consolidada y método de plegado asociado

Publications (1)

Publication Number Publication Date
EP2796388A1 true EP2796388A1 (en) 2014-10-29

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EP12860319.8A Withdrawn EP2796388A1 (en) 2011-12-21 2012-12-21 Collapsible container for consolidated load transportation and associated method for collapsing

Country Status (5)

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US (1) US9718611B2 (es)
EP (1) EP2796388A1 (es)
KR (1) KR102003092B1 (es)
CL (1) CL2011003232A1 (es)
WO (1) WO2013091126A1 (es)

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KR102003092B1 (ko) 2019-07-24
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WO2013091126A1 (es) 2013-06-27
US9718611B2 (en) 2017-08-01
CL2011003232A1 (es) 2012-07-13

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